Home / 2,783.60-4,168.65-1,482.20

Finding the Fourth Proportional to 2,783.60, 4,168.65 and 1,482.20

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Solution

The fourth proportional to 2,783.60, 4,168.65 and 1,482.20 is: 2,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783.60 : 4,168.65 = 1,482.20 : x
  2. Step 2: Convert to fraction form
    2,783.60/4,168.65 = 1,482.20/x
  3. Step 3: Cross multiply
    2,783.60x = 4,168.65 × 1,482.20
  4. Step 4: Simplify right side
    2,783.60x = 6,178,773.03
  5. Step 5: Solve for x
    x = 6,178,773.03/2,783.60
  6. Step 6: Final answer
    x = 2,219.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.